Personalized Polar Camel Vacuum Insulated Tumblers make a great gift! Double wall vacuum insulation provides twice the heat and cold retention compared to plastic tumblers. Available in Stainless Steel, Black Coated Stainless Steel and a variety of colors in 10, 20, or 30 oz. sizes. The 30 oz Stainless Steel Tumbler is available with a traditional clear top or Spill Proof Flip Top. Ask about our new COLORS!